public class Test {


    public static void main(String[] args) {
        int a=10;
        System.out.println(a);
        String str="猴";
        System.out.println(str);
        String s1=10+20+"你好";
        System.out.println(s1);
        String s2="你好"+10+20;
        System.out.println(s2);
        System.out.println(10%3);
        System.out.println(-10%3);
        System.out.println(10%-3);
        System.out.println(-10%-3);
    }


}
